content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.flowable.processors;
  
  import static org.junit.Assert.*;
  
  import java.util.*;
  import java.util.concurrent.atomic.AtomicBoolean;
  
  import org.junit.Test;
  
  import hu.akarnokd.reactivestreams.extensions.FusedQueueSubscription;
  import io.reactivex.common.*;
  import io.reactivex.common.exceptions.TestException;
  import io.reactivex.flowable.Flowable;
  import io.reactivex.flowable.internal.subscriptions.BooleanSubscription;
  import io.reactivex.flowable.subscribers.*;
  
  public class UnicastProcessorTest extends DelayedFlowableProcessorTest<Object> {
  
      @Override
      protected FlowableProcessor<Object> create() {
          return UnicastProcessor.create();
      }
  
      @Test
      public void fusionLive() {
          UnicastProcessor<Integer> ap = UnicastProcessor.create();
  
          TestSubscriber<Integer> ts = SubscriberFusion.newTest(FusedQueueSubscription.ANY);
  
          ap.subscribe(ts);
  
          ts
          .assertOf(SubscriberFusion.<Integer>assertFuseable())
          .assertOf(SubscriberFusion.<Integer>assertFusionMode(FusedQueueSubscription.ASYNC));
  
          ts.assertNoValues().assertNoErrors().assertNotComplete();
  
          ap.onNext(1);
  
          ts.assertValue(1).assertNoErrors().assertNotComplete();
  
          ap.onComplete();
  
          ts.assertResult(1);
      }
  
      @Test
      public void fusionOfflie() {
          UnicastProcessor<Integer> ap = UnicastProcessor.create();
          ap.onNext(1);
          ap.onComplete();
  
          TestSubscriber<Integer> ts = SubscriberFusion.newTest(FusedQueueSubscription.ANY);
  
          ap.subscribe(ts);
  
          ts
          .assertOf(SubscriberFusion.<Integer>assertFuseable())
          .assertOf(SubscriberFusion.<Integer>assertFusionMode(FusedQueueSubscription.ASYNC))
          .assertResult(1);
      }
  
      @Test
      public void failFast() {
          UnicastProcessor<Integer> ap = UnicastProcessor.create(false);
          ap.onNext(1);
          ap.onError(new RuntimeException());
  
          TestSubscriber<Integer> ts = TestSubscriber.create();
  
          ap.subscribe(ts);
  
          ts
                  .assertValueCount(0)
                  .assertError(RuntimeException.class);
      }
  
      @Test
      public void failFastFusionOffline() {
          UnicastProcessor<Integer> ap = UnicastProcessor.create(false);
          ap.onNext(1);
          ap.onError(new RuntimeException());
  
          TestSubscriber<Integer> ts = SubscriberFusion.newTest(FusedQueueSubscription.ANY);
  
          ap.subscribe(ts);
          ts
                  .assertValueCount(0)
                  .assertError(RuntimeException.class);
      }
  
      @Test
      public void threeArgsFactory() {
          Runnable noop = new Runnable() {
              @Override
              public void run() {
              }
          };
          UnicastProcessor<Integer> ap = UnicastProcessor.create(16, noop,false);
          ap.onNext(1);
          ap.onError(new RuntimeException());
  
          TestSubscriber<Integer> ts = TestSubscriber.create();
  
          ap.subscribe(ts);
          ts
                  .assertValueCount(0)
                  .assertError(RuntimeException.class);
      }
  
      @Test
      public void onTerminateCalledWhenOnError() {
          final AtomicBoolean didRunOnTerminate = new AtomicBoolean();
  
          UnicastProcessor<Integer> us = UnicastProcessor.create(Flowable.bufferSize(), new Runnable() {
              @Override public void run() {
                  didRunOnTerminate.set(true);
              }
          });
  
          assertEquals(false, didRunOnTerminate.get());
          us.onError(new RuntimeException("some error"));
          assertEquals(true, didRunOnTerminate.get());
      }
  
      @Test
      public void onTerminateCalledWhenOnComplete() {
          final AtomicBoolean didRunOnTerminate = new AtomicBoolean();
  
          UnicastProcessor<Integer> us = UnicastProcessor.create(Flowable.bufferSize(), new Runnable() {
              @Override public void run() {
                  didRunOnTerminate.set(true);
              }
          });
  
          assertEquals(false, didRunOnTerminate.get());
          us.onComplete();
          assertEquals(true, didRunOnTerminate.get());
      }
  
      @Test
      public void onTerminateCalledWhenCanceled() {
          final AtomicBoolean didRunOnTerminate = new AtomicBoolean();
  
          UnicastProcessor<Integer> us = UnicastProcessor.create(Flowable.bufferSize(), new Runnable() {
              @Override public void run() {
                  didRunOnTerminate.set(true);
              }
          });
  
          final Disposable subscribe = us.subscribe();
  
          assertEquals(false, didRunOnTerminate.get());
          subscribe.dispose();
          assertEquals(true, didRunOnTerminate.get());
      }
  
      @Test(expected = NullPointerException.class)
      public void nullOnTerminate() {
          UnicastProcessor.create(5, null);
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void negativeCapacityHint() {
          UnicastProcessor.create(-1);
      }
  
      @Test(expected = IllegalArgumentException.class)
      public void zeroCapacityHint() {
          UnicastProcessor.create(0);
      }
  
      @Test
      public void completeCancelRace() {
          for (int i = 0; i < 500; i++) {
              final int[] calls = { 0 };
              final UnicastProcessor<Object> up = UnicastProcessor.create(100, new Runnable() {
                  @Override
                  public void run() {
                      calls[0]++;
                  }
              });
  
              final TestSubscriber<Object> ts = up.test();
  
              Runnable r1 = new Runnable() {
                  @Override
                  public void run() {
                      ts.cancel();
                  }
              };
  
              Runnable r2 = new Runnable() {
                  @Override
                  public void run() {
                      up.onComplete();
                  }
              };
  
              TestCommonHelper.race(r1, r2, Schedulers.single());
  
              assertEquals(1, calls[0]);
          }
      }
  
      @Test
      public void afterDone() {
          UnicastProcessor<Object> p = UnicastProcessor.create();
          p.onComplete();
  
          BooleanSubscription bs = new BooleanSubscription();
          p.onSubscribe(bs);
  
          p.onNext(1);
          List<Throwable> errors = TestCommonHelper.trackPluginErrors();
          try {
              p.onError(new TestException());
  
              TestCommonHelper.assertUndeliverable(errors, 0, TestException.class);
          } finally {
              RxJavaCommonPlugins.reset();
          }
          p.onComplete();
  
          p.test().assertResult();
  
          assertNull(p.getThrowable());
          assertTrue(p.hasComplete());
          assertFalse(p.hasThrowable());
      }
  
      @Test
      public void onErrorStatePeeking() {
          UnicastProcessor<Object> p = UnicastProcessor.create();
  
          assertFalse(p.hasComplete());
          assertFalse(p.hasThrowable());
          assertNull(p.getThrowable());
  
          TestException ex = new TestException();
          p.onError(ex);
  
          assertFalse(p.hasComplete());
          assertTrue(p.hasThrowable());
          assertSame(ex, p.getThrowable());
      }
  
      @Test
      public void rejectSyncFusion() {
          UnicastProcessor<Object> p = UnicastProcessor.create();
  
          TestSubscriber<Object> ts = SubscriberFusion.newTest(FusedQueueSubscription.SYNC);
  
          p.subscribe(ts);
  
          SubscriberFusion.assertFusion(ts, FusedQueueSubscription.NONE);
      }
  
      @Test
      public void cancelOnArrival() {
          UnicastProcessor.create()
          .test(0L, true)
          .assertEmpty();
      }
  
      @Test
      public void multiSubscriber() {
          UnicastProcessor<Object> p = UnicastProcessor.create();
  
          TestSubscriber<Object> ts = p.test();
  
          p.test()
          .assertFailure(IllegalStateException.class);
  
          p.onNext(1);
          p.onComplete();
  
          ts.assertResult(1);
      }
  
      @Test
      public void fusedDrainCancel() {
          for (int i = 0; i < 500; i++) {
              final UnicastProcessor<Object> p = UnicastProcessor.create();
  
              final TestSubscriber<Object> ts = SubscriberFusion.newTest(FusedQueueSubscription.ANY);
  
              p.subscribe(ts);
  
              Runnable r1 = new Runnable() {
                  @Override
                  public void run() {
                      p.onNext(1);
                  }
              };
  
              Runnable r2 = new Runnable() {
                  @Override
                  public void run() {
                      ts.cancel();
                  }
              };
  
              TestCommonHelper.race(r1, r2, Schedulers.single());
          }
      }
  }
  